Home / 10,079.64-15,122.93-4,536.87

Finding the Fourth Proportional to 10,079.64, 15,122.93 and 4,536.87

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Solution

The fourth proportional to 10,079.64, 15,122.93 and 4,536.87 is: 6,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.64 : 15,122.93 = 4,536.87 : x
  2. Step 2: Convert to fraction form
    10,079.64/15,122.93 = 4,536.87/x
  3. Step 3: Cross multiply
    10,079.64x = 15,122.93 × 4,536.87
  4. Step 4: Simplify right side
    10,079.64x = 68,610,744.74
  5. Step 5: Solve for x
    x = 68,610,744.74/10,079.64
  6. Step 6: Final answer
    x = 6,806.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.